1967
1968
1969
1967
1968
1969
1969 Camaro Rear Axle Identification
 1967 Rear Axle |
 1968 Rear Axle |
 1969 Rear Axle |
The rear axle identification code consists of a two letter prefix indicating the gear ratio, four digits indicating the assembly date as month/day, and a single letter suffix indicating the manufacturing location. The identification code should be stamped on the bottom or front left or right axle tube either adjacent to the carrier housing or about 8" - 10" inboard from the backing plates.
Plant Codes:
B ~ Buffalo, New York
G ~ Detroit Gear & Axle
W ~ Warren, Michigan
K ~ McKinnon Industries (not verified)
Positraction Codes:
D ~ Dana
E ~ Eaton
W ~ Warner
Casting Numbers:
12-Bolt Casting #3894860
10-Bolt Casting #3894859
The casting numbers/letters on rear end housings may have either a prefix or suffix of "N" or "NF" and no reason has been found yet why they may have one or the other. Axle ratios shown in this table are non-Positraction and standard drum brakes unless otherwise specified.
| Prefix | 10-bolt/12-bolt | Axle Ratio |
| BA | 10-bolt | 2.56 |
| BB | 10-bolt | 2.56 ~ Positraction |
| BC | 10-bolt | 3.36 |
| BD | 10-bolt | 3.36 ~ Positraction |
| BE | 12-bolt | 4.10 ~ Positraction |
| BI | 12-bolt | 2.73 |
| BL | 12-bolt | 3.07 |
| BM | 12-bolt | 3.31 |
| BN | 12-bolt | 3.55 |
| BO | 12-bolt | 3.73 |
| BP | 10-bolt | 2.73 |
| BQ | 12-bolt | 2.73 ~ Positraction |
| BR | 12-bolt | 3.07 ~ Positraction |
| BS | 12-bolt | 3.31 ~ Positraction |
| BT | 12-bolt | 3.55 ~ Positraction |
| BU | 12-bolt | 3.73 ~ Positraction |
| BV | 12-bolt | 4.10 ~ Positraction |
| BW | 12-bolt | 4.56 ~ Positraction |
| BX | 12-bolt | 4.88 ~ Positraction |
| PA | 10-bolt | 3.08 |
| PB | 10-bolt | 2.56 |
| PC | 10-bolt | 2.56 ~ Positraction |
| PD | 10-bolt | 2.73 |
| PE | 10-bolt | 3.08 ~ Positraction |
| PF | 10-bolt | 2.73 ~ Positraction |
| PG | 10-bolt | 3.08 |
| PH | unknown | 3.55 ? |
| PI | 10-bolt | 2.56 |
| PJ | 10-bolt | 2.56 ~ Positraction |
| PK | unknown | 3.55 ? |
| PL | 10-bolt | 2.73 |
| PM | 10-bolt | 2.73 |
| PN | 10-bolt | 3.08 |
| PO | 10-bolt | 3.08 ~ Positraction w/Metallic Brakes |
| PP | 10-bolt | 3.36 |
| PR | 10-bolt | 3.08 ~ Positraction |
| PS | 10-bolt | 3.36 ~ Positraction |
| PT | 10-bolt | 3.36 |
| PU | 10-bolt | 3.36 ~ Positraction |
| PX | 10-bolt | 2.73 ~ Positraction |
| PY | 12-bolt | 2.56 |
| PZ | 12-bolt | 2.56 ~ Positraction |
| QN | 12-bolt | 4.88 ~ Positraction w/4 wheel disc |
| QS | 12-bolt | 2.56 ~ Positraction w/4 wheel disc |
| QT | 10-bolt | 2.73 ~ Positraction w/4 wheel disc |
| QU | 12-bolt | 3.07 ~ Positraction w/4 wheel disc |
| QV | 12-bolt | 3.31 ~ Positraction w/4 wheel disc |
| QW | 12-bolt | 3.55 ~ Positraction w/4 wheel disc |
| QX | 12-bolt | 3.73 ~ Positraction w/4 wheel disc |
| QY | 12-bolt | 4.10 ~ Positraction w/4 wheel disc |
| QZ | 12-bolt | 4.56 ~ Positraction w/4 wheel disc |
| Assembly Month - 1st and 2nd numbers | |||
| Number | Month | Number | Month |
| 01 | January | 02 | February |
| 03 | March | 04 | April |
| 05 | May | 06 | June |
| 07 | July | 08 | August |
| 09 | September | 10 | October |
| 11 | November | 12 | December |
Assembly Day - 3rd and 4th numbers
01...31
|
Rear Axle Assembly Plant - 5th character |
|
| Code | Assembly Plant |
| B | Buffalo, NY |
| G | Detroit Gear & Axle |
| W | Warren, MI |
| K | McKinnon Industries |
BL ~ 12-bolt 3.07
1016 ~October 16
G ~ Detroit Gear & Axle
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